header {
  width: 100%;
  height: 0.5rem;
  background-color: #1d6dff;
  display: flex;
  justify-content: space-between;
   align-items: center; 
  padding: 0 0.1rem;
}
header .img {
  height: 0.25rem;
}
header h1{
  font-size: 0.1rem;
    /* line-height: 1rem; */
    text-align: center;
    color: #ffffff;
    font-weight: bolder;
}

header .img a {
  display: block;
}
header .img a img {
  height: 0.25rem;
}
header .app a {
  display: block;
}
header .app a img {
  height: 0.34rem;

}
